Storm shutter



FIG. 1 is a perspective view of a design for a storm shutter in accordance with my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 4 is a right side view thereof, the left side view being a mirror image thereof; and,

FIG. 5 is a rear elevation view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a “storm shutter,” as shown and described. 